Former Democratic presidential nominee Hillary Clinton said Tuesday that White House senior adviser Stephen Miller, whom progressives have blamed for the president's hard-line immigration agenda should be removed from his position. "Every day Stephen Miller remains in the White House is an emergency," Clinton tweeted before promoting a letter calling for Miller's removal, signed by organizations like the Southern Poverty Law Center (SPLC) and NAACP. The letter was produced by The Leadership Conference on Civil and Human Rights, a nonprofit coalition of "more than 200 national organizations to promote and protect the civil and human rights of all persons in...